A Washington Post Best Book of the Year, this standalone psychological thriller from the acclaimed author of the Alex Morrow novels that exposes the dark hearts of the guilty . . . and the innocent. William Watt's wife, daughter, and sister-in-law are dead, slaughtered in their own home in a brutal crime that scandalized Glasgow. Despite an ironclad alibi, police zero in on Watt as the primary suspect, but he maintains his innocence...